Bolt



FIG. 1.1 is a perspective view of a bolt according to the present design;

FIG. 1.2 is a front elevation view thereof;

FIG. 1.3 is a rear elevation view thereof;

FIG. 1.4 is a left side view thereof;

FIG. 1.5 is a right side view thereof;

FIG. 1.6 is a top plan view thereof; and

FIG. 1.7 is a bottom plan view thereof.

The dotted lines are not part of the claimed design. 

CLAIM The ornamental design for a bolt, as shown and described. 